Zombies, ghouls, witches, aliens, demons, and terrible human beings—what more do you need for your next summer binge?

A British ufologist claims Donald Trump has a prepared UFO speech confirming the 'non-human origin' of recovered entities, fuelling fresh talk of imminent 'soft disclosure'.

The scientist has outlined the 'potentially devastating and irreversible long-term impacts' of unknown organisms in space ...

The search for life beyond Earth has always been full of surprises. Strange radio signals have sparked excitement. Odd gases on distant worlds have raised questions. Even ordinary objects have been ...

A forgotten science-fiction miniseries from 2015 adapted one of Arthur C. Clarke's very best books in just three episodes.

Are we alone in the universe? Consider mysterious "extraterrestrial" radio signals. Unexplained gases on other planets.

Looking up reveals nature’s skylight, framing Arizona blue against fiery red stone in perfect composition. Photo credit: ...

In a recent two-week voyage through the southern Atlantic, scientists uncovered an astonishing array of 31 previously unknown ...

For your extraterrestrial viewing needs, Stacker ranked the top 30 alien movies, according to their IMDb user rating.

Thus far, our search for extraterrestrial life points toward Clarke’s former point, suggesting that our little blue dot is ...